<nav class="navbar navbar-default">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                    data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="/" th:text="${siteName}">spring博客系统</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li th:each="category : ${categoryList}" role="presentation">
                    <a href="/" th:href="'/category/' + ${category.id}" th:text="${category.title}">菜单</a>
                </li>
            </ul>
            <ul class="nav navbar-nav pull-right">
                <li><a href="/admin">管理后台</a></li>
                <li><a href="/user">会员中心</a></li>
                <li style="margin-top: 7px">
                    <form action="/logout" method="post">
                        <input type="submit" class="btn btn-link" value="注销">
                        <input type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}"/>
                    </form>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>